- Joined Apr 6, 2009
I'm looking at a Seimens VFD driving a 60hz motor at 20Khz. Question... The end result is a duty cycle within the 60 hz signal. What is the range of frequencies, and how (if it is driven by Mosfet or IGBT) does this frequency translate into a duty cycle? It can't be a sine wave cause you will only get a 50% duty cycle...